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=Vinegar Volcanoes= = = =The Challenge=
 * 1) To make the vinegar volcano that erupts the highest.
 * 2) Make a video explaining how a vinegar volcano works.

=Equipment=
 * 1 Litre of vinegar
 * 1 box of bicarb soda
 * 1 bottle of lemon juice
 * 1 empty bottle
 * plasticine
 * an ipod touch